492 search results - page 50 / 99 » Computing aggregations in database query languages |
SAC
2006
ACM
14 years 3 months ago
2006
ACM
In this paper, we show that representation and reasoning techniques used in traditional knowledge engineering and the emerging Semantic Web can play an important role for heteroge...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
XML is the data interoperability standard in many application domains. Therefore, an increasing number of researchers and professionals, who are not computer scientists (although ...
SOFSEM
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. Research on processing XML documents gained much activity in recent times. XML query languages are mostly based on XPath expressions, which are used to select parts of XM...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...
WWW
2009
ACM
14 years 10 months ago
2009
ACM
C-SPARQL is an extension of SPARQL to support continuous queries over RDF data streams. Supporting streams in RDF format guarantees interoperability and opens up important applica...